CVE-2026-88849 Details
Description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.55 does not verify that a user targeted through its student-enrolment feature has any relationship to the requesting instructor, allowing users with the Instructor role to overwrite the first name, last name and public display name of any registered user on the site, including administrators, enabling impersonation and phishing.
A vulnerability in the MasterStudy LMS WordPress Plugin, affecting versions prior to 3.7.55, allows users with the Instructor role to arbitrarily change the first name, last name, and public display name of any registered user on the site, including administrators. This issue arises because the plugin's student-enrollment feature does not properly verify the relationship between the instructor and the targeted user. The vulnerability could be exploited to impersonate users and facilitate phishing attempts.
Users are advised to update the MasterStudy LMS WordPress Plugin to version 3.7.55 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 22, 2026CISA-ADP
Assessed Oct 22, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/fa3df78f-d12f-4f10-8ed4-5e295123141b/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-863 | Incorrect Authorization | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| MasterStudy LMS | >= 3.7.13, <= 3.7.54 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 22, 2026 | CVE Modified | CISA-ADP |
| Oct 22, 2026 | New CVE Received | [email protected] |